Historic and contemporary maps of Guam as a possession of the United States for use in the K-12 classroom.

Guam,
1920
A map of Guam showing the highlands to the south and lowlands in the north of the island. The map shows Agaña Bay, Apra, and Merizo, coastal features, and the smaller islands of Apapa and Cocoa. Guam is an unincorporated possession of the Unit...